Primary and Secondary Crushing System
Frac Sand Wet Processing Facility
Northern Industrial Frac Sand Processing Plant
Hatchery Sand and Gravel Processing Plant
Frac Sand Plant Wet Processing System
Xcel Energy High Bridge Generating Plant Demolition
Marathon Petroleum Administrative Office Building
Flint Hills Resources North Office Building
Hennepin County Energy Center Expansion
Flint Hills Resources Maintenance Shop and Warehouse Facility
